[INFO] cloning repository https://github.com/ColonelPhantom/hufmark [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColonelPhantom/hufmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5fdecca1b7cd2904b796fae1c987dcac1879264 [INFO] checking ColonelPhantom/hufmark against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] [stderr] Checking out files: 59% (13/22) Checking out files: 63% (14/22) Checking out files: 68% (15/22) Checking out files: 72% (16/22) Checking out files: 77% (17/22) Checking out files: 81% (18/22) Checking out files: 86% (19/22) Checking out files: 90% (20/22) Checking out files: 95% (21/22) Checking out files: 100% (22/22) Checking out files: 100% (22/22), done. [INFO] validating manifest of git repo https://github.com/ColonelPhantom/hufmark on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ColonelPhantom/hufmark [INFO] finished tweaking git repo https://github.com/ColonelPhantom/hufmark [INFO] tweaked toml for git repo https://github.com/ColonelPhantom/hufmark written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/ColonelPhantom/hufmark already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 41faeb56e4e2c20b39aa085751868f438141c178d9618a56705acb857e6e9f6c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "41faeb56e4e2c20b39aa085751868f438141c178d9618a56705acb857e6e9f6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "41faeb56e4e2c20b39aa085751868f438141c178d9618a56705acb857e6e9f6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41faeb56e4e2c20b39aa085751868f438141c178d9618a56705acb857e6e9f6c", kill_on_drop: false }` [INFO] [stdout] 41faeb56e4e2c20b39aa085751868f438141c178d9618a56705acb857e6e9f6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4fcbad6e9700d6b7675cfef2cbf36f1de2fb19ad0b930965584f0edd129fa97 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d4fcbad6e9700d6b7675cfef2cbf36f1de2fb19ad0b930965584f0edd129fa97", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.61 [INFO] [stderr] Checking new_debug_unreachable v1.0.3 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking smallvec-stableunion v0.6.10 [INFO] [stderr] Checking bitbit v0.2.0 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking fenwick v0.2.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking arcode v0.1.2 [INFO] [stderr] Checking tendril v0.4.1 [INFO] [stderr] Checking plain-map v2.0.0 [INFO] [stderr] Checking slice-deque v0.2.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Checking hufmark v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `get_entry_occs` [INFO] [stdout] --> src/markov.rs:241:12 [INFO] [stdout] | [INFO] [stdout] 241 | pub fn get_entry_occs(&self) -> std::collections::BTreeMap { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_entry_lens` [INFO] [stdout] --> src/markov.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn get_entry_lens(&self) -> std::collections::BTreeMap { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/history.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn get(&self, idx: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_entry_occs` [INFO] [stdout] --> src/markov.rs:241:12 [INFO] [stdout] | [INFO] [stdout] 241 | pub fn get_entry_occs(&self) -> std::collections::BTreeMap { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_entry_lens` [INFO] [stdout] --> src/markov.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn get_entry_lens(&self) -> std::collections::BTreeMap { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/history.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn get(&self, idx: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.68s [INFO] running `Command { std: "docker" "inspect" "d4fcbad6e9700d6b7675cfef2cbf36f1de2fb19ad0b930965584f0edd129fa97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4fcbad6e9700d6b7675cfef2cbf36f1de2fb19ad0b930965584f0edd129fa97", kill_on_drop: false }` [INFO] [stdout] d4fcbad6e9700d6b7675cfef2cbf36f1de2fb19ad0b930965584f0edd129fa97